Google
 
Trailing-Edge - PDP-10 Archives - BB-M836C-BM - tools/exec-mods/execf2.mac
There are 9 other files named execf2.mac in the archive. Click here to see a list.
; UPD ID= 229, SNARK:<6.1.EXEC>EXECF2.MAC.3,  10-Jun-85 08:43:50 by DMCDANIEL
; UPD ID= 172, SNARK:<6.1.EXEC>EXECF2.MAC.2,   3-May-85 08:31:04 by DMCDANIEL

MICSW==1
MFRKSW==1
PCLSW==1